Change the sudo permissions for sandbox.

Instead of rm directly we now do a find.

playbooks/roles/edxapp/templates/95-sandbox-sudoer.j2

 {% if devstack %}
 {{ edxapp_user }} ALL=({{ edxapp_sandbox_user }})  SETENV:NOPASSWD:{{ edxapp_sandbox_venv_dir }}/bin/python
-{{ edxapp_user }} ALL=({{ edxapp_sandbox_user }})  SETENV:NOPASSWD:/bin/rm /tmp/codejail-*/tmp
+{{ edxapp_user }} ALL=({{ edxapp_sandbox_user }})  SETENV:NOPASSWD:/usr/bin/find /tmp/codejail-*/tmp -mindepth 1 -maxdepth 1 -exec rm -rf {} ;
 {{ edxapp_user }} ALL=(ALL) NOPASSWD:/bin/kill
 {{ edxapp_user }} ALL=(ALL) NOPASSWD:/usr/bin/pkill
 {% else %}
 {{ common_web_user }} ALL=({{ edxapp_sandbox_user }})  SETENV:NOPASSWD:{{ edxapp_sandbox_venv_dir }}/bin/python
-{{ common_web_user }} ALL=({{ edxapp_sandbox_user }})  SETENV:NOPASSWD:/bin/rm /tmp/codejail-*/tmp
+{{ common_web_user }} ALL=({{ edxapp_sandbox_user }})  SETENV:NOPASSWD:/usr/bin/find /tmp/codejail-*/tmp -mindepth 1 -maxdepth 1 -exec rm -rf {} ;
 {{ common_web_user }} ALL=(ALL) NOPASSWD:/bin/kill
 {{ common_web_user }} ALL=(ALL) NOPASSWD:/usr/bin/pkill
 {% endif %}